Home / 38,728.04-58,085.98-10,650.20

Finding the Fourth Proportional to 38,728.04, 58,085.98 and 10,650.20

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Solution

The fourth proportional to 38,728.04, 58,085.98 and 10,650.20 is: 15,973.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,728.04 : 58,085.98 = 10,650.20 : x
  2. Step 2: Convert to fraction form
    38,728.04/58,085.98 = 10,650.20/x
  3. Step 3: Cross multiply
    38,728.04x = 58,085.98 × 10,650.20
  4. Step 4: Simplify right side
    38,728.04x = 618,626,987.14
  5. Step 5: Solve for x
    x = 618,626,987.14/38,728.04
  6. Step 6: Final answer
    x = 15,973.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.